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torso rotation
1.Alternative steel:the hanged weight is made of hard
steel,at the easy-reaching height
and easy to adjust.
2.Frame embellishing:unique
two-double baking varnishing makes the machine noble as a car,at the same
time,embellishing can prevent the bike from scrapping and paint-falling.
3.Cushion:make the user in a comfortble protector,prevent user from hurting and also support the user.
4.Introduction card:kneel on the cushion,straight your back,hold the handle,twist your body forcefully to the
maximum extent,then come
back to the original place,and repeat the action.
5.muscle exercised: external oblique, rectus abdominis
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